pipes were sent to labs in washington dc to find the cause of the demonstration created in san bruno, maureen naylor, ktvu channel 2 news. >> they will investigate all pipelines in the state and issued that order yesterday at the request of the acting governor. pg&e had 6,000 miles of underground high-pressure gas lines and by all accounts the complete inspection will be a huge endeavor. >> the pipelines provide service to all of our customers in central and northern california but i cannot tell you specifically how many of them go through neighborhoods like you in san bruno. >> the pipe that exploded was more than 50 years old and they say it was installed when the neighborhood had a smaller population. the disaster resonates deeply with victims of the oakland hills fire. victims say they cannot help but notice similarities in that story is coming up in about seven minutes right here on bay area news at 7:00. >>> rangers at yosemite national park say they have found human remains that belongs to a livermore man. forty-six to a fred crawford disappeared in august 2,003 while hiking in the rem